Rampage

Some merchants in the Mission District plan to join the party if the San Francisco 49ers win the Super Bowl this Sunday, even as several make plans to board up windows and guard their stores in case the fans start to run wild.

A naked man was shot and killed by police in Vallejo early Sunday and another naked man arrested after a bizarre, drug-fueled disturbance that also included a house fire and the decapitation of three birds, according to police.